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QCD simulations at small chemical potential
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Within the reweighting approach, one has the freedom to choose the Monte Carlo action so that it provides a good overlap with the finite-\mu measure but remains simple to simulate. We explore several choices of action in the regime of small \mu. Simulating with a finite isospin chemical potential \mu_I=\mu gives a better overlap than the standard choice \mu=0, with no computational overhead.
Forward citations
Cited by 2 Pith papers
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Lattice QCD constraints on the critical point from an improved precision equation of state
An improved lattice QCD equation of state, combined with entropy contours continued from imaginary chemical potential, excludes a QCD critical point below μB = 450 MeV at 2σ confidence.
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Taste breaking in the minimally doubled Karsten-Wilczek action and its tree-level improvement
A tree-level Naik improvement of the Karsten-Wilczek lattice fermion action reduces taste breaking and noise in mixed-action tests, bringing its continuum pion decay constant in line with staggered results.
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